Flash-light.



specification.

. aims toprovide certain improvements 1n decierro-n,

HARRY HI MND HARRY T. HIPWELL, OF PTTSBURGH, PENNSYLVANIA.

ELASE-LIGHT.

Speeiiieation of Letters Patent. Pat-,entqed Aug; 10, 1915. l

Application tiled April 14, 1915. Serial No. 21,333.

To all whom t may camera.

' 'Be it known that We, HARRY H. HIPWELL and HARRY -i`. HirwjnLL, citizens ofthe United States, residing at S. Pittsburgh, in the county of Allegheny, State of Pennsylvania, have invented a new and useful Flash-Light, vof which the following is a IThe present inventiony appertains to port-A able electric dash lights or .Search lights, and

vices of that character,

It is the object of the invention to provide a ilash light with' novel circuit controlling means, whereby the metallic casing serves as a conductor or portion oi' the circuit, and

unique ineans being provided for closing thetery or cell, and will also accommodate the.

switch operating device in unique inanner.

l/Vithrthe foregoing and other objects in view which will appear as the description proceeds, the invention resides Vin the combination and arrangement of parts and inthe details of construction hereinafter described md Y claimed, it being understood that changes in the precise embodiment of the invention herein disclosed can be made within r the scope ,oi what isclaiined without deln carrying out the invention, there is` provided a tubular or cylindrical easing 1 which 1s constructed of metal or other material which is a conductor of electrical eiiorgy, whereby the casing is rutilized as a portion of the circuit. 'l/he casing 1 contains a battery or cell 2 which'consti tutes the source of electrical energy, and which has a central pole 3 at one end. The battery or cell 2 is adapted to be inserted and removed through one end of the casing 1, and a cap t isthreaded or otherwise detachably engaged upon said end ol the casingl, and has a spiral spring 5 secured therein which yieldably forces the battery 2 into proper position Within the casing, and which also serves to electrically connect the other pole of the battery and the casing. The cap e is of metallic or conductingmaterialgin order to properly' connect the spring 5 and casing 1 electrically. A. relector 6 is disposed Within the other end of the casing 1, the rim or flange 7 of the reflector seating against the said end of the casing, and the reflector being of metal or other conducting material so as to be in electrical connection with the casing. The,

reflector 6 has a socket 8 for receiving the threaded plug') of the lamp or bulb 10, and a lens ll'isseated against the rim .of the re; liector over the mouth thereof.

A ring or annulus 12 is threaded or otherwise detachably engaged .upon the respective end oi' the Ycasing and has .an annular inturned flange orlip 13 to overlap the lens 11 and clamp the reflector and lens inplace against the end of the casing. One terminal of the Ilainp 'is in electrical connection with the socket 8 and reflector 6, so that thesaid terminal of the lamp is continually connected to the casing 1 and respective pole of the battery, while the other insulated ter-j minal 18 of the lamp is utilized as a Contact for the coperation of the switch therewith.

The switch device embodies a diametrical strip le Aterminally secured to opposite sides of the easing 1 between the battery 2 and reflector G, and a contact strip l5 carried by the strip 14 at that side thereof adjacent the battery.

Si strip of insulation 16 is dispos/ed' between the strips 14 and 15, and rivets 17 are engaged through the strips 14, 15 and 16v to clamp them together. The pole 3 of 'the battery `normally engages the Contact strip 15. The `switch propel embodies a flexible strip or tongue 18 which lhas one end en gaged to one of the therivets 17 at that side of the strip 14; opposite the strip 15, a strip of insulation 18 being disposed between the y strips 18 and 14. The switch also includes a contact strip 19 having one end engaged to the free end ofthe strip 18,' whereby the switch isin the torni of the letter yV, the switch being designated generally by the numeral 19. The rivet 17 which engages the strip 18 electrically connects the strip 15 and strip 18, the said strips being insulated from the strip or yoke 1l, whereby a shorthcireuit lil ` mov ineaeie is avoided. The otheror free end of the switch 1S is connected to one end oit a switch a, bar or strip disposed within ig l. edjaceiitone side thereof. @ne end ot the strip or yoke l-l is bifurcated, as at il, for the passage of the bar 20 there- 'hrouvghg the :tree end of the switch i9 or the' respective end oit the strip l is bent aug as at 2l", andjrivets or other securing elements 22 are engaged through the l l angular roi-tion 2l of the switch. A suitable insulating. strip or member 23 is dis posed between the bar 20 and switch l for insulating them one from the other. A suitf able insulation 2e is also disposed between the portion 2l ot the switch and the rivets 22.

Thev bar 20 has a linger piece 25 secured thereto adiacent that end of the bar remote rrornthe switch, and the finger piece 25' works in e,l longitudinal slot 26 provided in the respective side of the casing. Rivets 2l are also engaged through the ber 20 at the opposite sides ot' the linger piece 25, and arel engaged through the plate or strip 28 slid able upon the exterior ofthe oasing,xwheref by the bar 20 is guided for proper longitudi- A ement. f

t feature of the invention resides e fact that the casing i isprovidded be- A an its ends with longitudinal instruch ribs. or corrugations 29. The slot 26 is dis i csed between two ot the ribs or corruga- 'tions 29, and the bar 20 is adapted to be received and guided the inner longitudinal channel or depression between said ribs or corrugations. The corrugations 29 are of advantage for three reasons. Thus, the corrugations or ribs 29 reinforce or strengthen the casing l, so that the casing is not liable be accidentally dented or bentf Further ni're, the instruclr ribs or corrugations 29 reduce the internal diameter oit the interme* '.ate worden of the casing, whereby the batery or cell 2 will be received snugly between "he or corrugatous to be held firmly in lace within the casing. Again, the two 'ibs or corrugations 29 between which the 20 is disposed will serve to guide the said bar and su'lliciently receive said bar so that it wildwrzot interfere with the battery or cell. c i M ln use, supposing the parts to be properly assembled, when the switch operating bar or member 2O is moved rearwardly or away from the lamp end of the casing, the strips `or arms 18 and 19 of the switch 19 will be moved toward. one another, and the contact strip 19 will be moved away from the terminel 13" ot' the lamp l0. This will open 'the electrical circuit to extinguish the lamp. ldlhen it is desired to light the lamp, the inger piece 25 s moved forwardly and the bar 20 in being moved forwardly will carry the contact strip 19 into engagement 'with the end portion of the bar 2O and the terminal-13' of the lamp, the strip ti8 oro viding a flexible connection between the then flow from the pole 3 through the strip l5, respective rivet l?, strip i8, strip i9, lamp l0, reliector 6, casing l and spring 5 to the other pole of the battery. Since the switch is insulated from the casing and its supporting strip or yoke lfl, there is no lio,n bility for a short circuit occurring, it also *being noted `that the switch is insulated from the switch operating bar or member 20.

ln view ofthe foregoing, taken in connection with the drawing, the advantages and attributes ot the features of the invention will be obvious to .those skilled in. the art, without further comment being necessary.

.Having thus described the invention, what is claimed as new is:

l. ln a flash light, a conductor casing, e battery therein having one pole connected thereto, a lamp carried by the casing and having one terminal electrically connected thereto, an insulated Contact carried by the casing for engaging-the other pole of the battery, a ,flexible switch secured to said Contact and7 movable into engagement with the other terminal of the lamp, and means for manually moving the switch from the exterior of the casino. Y

2. ln avdash light, a conductor casing, battery therein having one pole connected thereto, a, lamp carried by the casing and having one terminal electrically connected thereto, an insulated contact 'carried by the casing for engaging the other pole of the battery, a V-shaped switch having one end secured to said Contact and movable into and out of engagement with the other terminal ol' the lomp, and a manually operable slidable member carried by the casing and secured to the other end of the switch for operating the saine.

3. ln a Hash light,l a conductor casing, a battery therein having one pole connected thereto, alaxnp carried by the casing and having one terminal electrically connected thereto, a yoke secured Withinthe casing be tween the battery and lern-p, an insulated contact carried by one side of the yoke for the engagement of the other pole of the battery, a longitudinal bar slidable through one end portion of the yoke adjacent one side of the casing, a tf-shaped switch having one end connected to said Contact and having its other end connected to one end of said bar, the switch being insulated from the caring and being movable into and out of en gogement with the other terminal of the lamp, the casing having a longitudinal slot, and a finger pieceworking in said slot and engaged to said bar adjacent the other end thereof.

t. ln a flash light, a tubular casing proieee between its; ends with lngiwdinl inthe ribs, a. longizudnelly movable switchv eperating member between seid pair of ribs,

umd n finger piece Working in Sad slot and engaged te said switch operating member.

n testimony that we eem the foregeng as our own, We have herein nfxed our sg- EL@ natures inthe reser'xce of two Witnesses. ARRY H. HWEL-lf. HARRY T. H'IPKWELJ.

VVibnesses: EDWARD G. LANG, C. G. CommN.' 

